Valve



Oct. 16, 1928. 1,687,493

C. B. DRAKE VALVE Filed Jan. 28, 1926 2 Sheets-Sheet 1 314m; what Oct.16, 1928. 1,687,493

0. B. DRAKE VALVE Filed Jan. 28. 1926 2 Sheets-Sheet 2 r l M \1 1aPatented Oct. 16, 1928. V

UNITED 1,687,493 PATENT: oFncs-i 4 CHARLES TB. DRAKE, or, noR oLK,VIRGINIA.

. VALVE. 5 a

Application filedi January 28, 1926. smar "54,517.

mixture to he admitted to the engine whereas when the engine is hot arelatively lean mix; ture will be adn'iitted. V m Another object of theinvention resides in so forming the valve that a certain'amount oftheheatwhich is used for operatingthe same will pass through certainparts of the valve to heat the fuel mixture to efiect a more eflicientoperaticnof the engine. I v In the drawings I have illustrated thepreferredembodiments of the inventionas they nowappear to me but it willbe understood that such changesmay'be madeaswill fall within the scopeof the appended claims. 1

In the drawings: e Fig. 1 is a side elevation with parts shown invertical section. t v A Fig. 2 is a longitudinal vertical sectionthrough the valve with: partsshown in elevae tion. g Fig. 3 is ahorizontal section through the upper portion of the valve with partsshown in top plan, and I V i i Fig. 1 is a transverse vertical sectionwith parts shown in elevation; l 5

In the drawings 1 indicates the fuel chamber of a carburetor and 2 apassage intowhich the fuel mixture is delivered through an opening 3formed in the partition wall 4. The passage 2 communicates with theintake manifold, a portionof which is shownat 5 and from the intakemanifoldthe fuel is deliver-ed totheengine cylinders in the :wellknownmanner. A portion ofthe exhaust,

manifold isshow'n lat and the clamping member 7.ai ds' in securing boththe intake manifoldiand the exhaust manifold: to the engine. 7 p I p-l\i[y1n1proved form ofvalve comprlses an threaded int-othe upper wall of th e passage 2; Thebushing hasthe recess'9 extending fromthe bottomthereof and isprovidedat thetop with the threaded opening adapted I toreceive the exteriorly threaded sleeve 10.

A lock'nut 11 provided for more'seciirely holding the "sleeve in egagement-with the bushing. plate 12 is threaded on'lthe sleeve 10hrformed integral therewith and 'i'orms support for the elongated plate 13which has a centralopening 14 of a diameter,

slightly larger than that the sleeve 10 whereby it may be placed overthe. end or the sleeve and if desired rotated'relative thereto.

One end of the plate 13 1's bent'upwardly as shown at re un the oppositeend is slotted to form the two extensions which 'arerolled to providethe eyes 16' and 17. An upwardly extendinghig 18 isstruck'from theplat-e13 and pivotally connected to fl1is1ag'ist1 ver 19, said'leverhaving the depending ears 20 which straddle theilug Q18. pin 21 passesthroughtlie ears 20 and lugl18 for pivotally connecting the lever to thelug, The outer end-10f the lever 19 isrednced as Shown flit122,

{for a- "purpose to be la te "desci ibed, the t I inner-end of A springwas e124, extends aroundthe upper-fiend of the! sleeve 10, asmoreparticularlyfillustf-ratedj in Fig, 2' of the drawings,

"betweenthe np i-efiasu face of the plate i 1 3 and the under surface ofan adjustinginutlshown at 25, theadjusting nut being threaded uponthe'upper end o-t' thefs'leeve 10}; The 5' ring washer 2 1; not e rilytends holdtlie a just ing nut 25 in its adjusted positioii'loutac't-s topress the plate 13 into tight engagement with the plate 12.,"

valve stein is Summit 26' and'lifas, its lower. end pointed as shownat'27 p to be received'in ithe opening 31in the partition l.

Adjacent the upper end of the stem is provided the groove 28andinterinediate the ends is, a. groove 29 v in the groove 29 and willengagethelower A split ring 3Dis' received endof the sleeve 10t0 limitthe upwardmovement of the stem. As shown morejparticu larly in Fig. 2thespllt'ring. operatesin the recess 9 of the bushing ,8. The i forked endof the lever 19is adapted to engagein the g e ts 28 thermostatic member;shown 31and one end thereof 1s bent around and under one I H I lend oithe plate 13fasishown' atI3 2i The vexteriorly threaded bushing 8 which,is

the lever "is slotted" shown v turned end-82 is secured to; theplattejlg' by means of the screw 4 or other suitable fastening... Asshown more particularly the reduced end 22 ofthe lever 19. Inorder toenclose the parts above the plate 13 I'provide the cover cap 35. Aflexible metal rod or wire is shown at 36. and is ,used not only forconducting heat from the exhaust manifold to the valve but for forming apivot for that when an engine is started and while still cold that it isdesirable to admit a much richer mixture of fuel than is necessary whenthe engine is hot. With my improved form of valve the thermostaticmember 31 operates directly upon the lever 19 to either raise or lowerthe valve stem 26. When the engine is cold the member 31 will becontracted and will press downwardlyupon the outer end of the level-19thereby raising the inner end thereofand the stem 26. When in thisposition the pointed end 27 will be so positioned with relation to theopening 3 that .a relatively rich mixture will be admitted to the intakemanifold. When the engine becomes hot the heat is conducted from theexhaust manifold 6'by the conductor 36 to heatthe thermostatic member 31and thereby expand the same to raise the outer end of the lever 19. Thismovement will lowerthe valve stem 26 thereby admitting a much leanermixture of fuel to'the intake manifold. 'When theen- 2. In combinationwith the intake manifold of an internal combustion engine, a

va lvefor controlling the admission of the fuel mixture to; the intakemanifold, said valve including a body portion, a valve stem slidablymounted in the body portion, a lever pivotally mounted on the bodyportion and providedwitha forked end engageable with the valve stem, athermostatic member engaged with theopposite end of the lever, and

means for conducting heat tov the thermostatic member. I

' 3. In combination "with the intake 'mani fold of aninternal combustionengine, a valve for controlling the admission of the fuel mixture to theintake manifold, said valve including a. body portion, a valve stemslidably mounted in' the body portion, a lever pivotally connected tothe body portion, said gine cools the thermostatic member will contractand act as a spring to raise the valve stem'26 through means of thelever 19 in the manner previously described. "The downward movement ofthe inner end of the lever '19 be regulated by the'adjustin'g nut 25,

it being understood that when theinnerend of the lever is lowered itwill engage the uppersurface of the nut. The upward movement of thevalve stem 26 is'limited by the engagement of the split ring 30 with thelower end of the sleeve 10. 1 u I Having fully described my inventionwhatI claim as new and desire to secure by Letters Patent is:

1. In combination with the intake; manifold of an internal combustionengine, a

valve for controlling the admission of'the' fuel mixture to the intakemanifold, said valve including a body portion, a valve stem slidablymounted in the body portion, a lever,

pivotally connectedto the body portion and engageable with the valvestem,'a thermo-' lever having one end reduced and-the opposite'endforked to engage the valve stem, a

thermostatic member engaged with the reduced end of the lever, and meansfor conducting heat to the thermostatic member.

,4. In combination with the intake manifold "of an internal combustionengine, a valve for controlling the admission of the "fuel mixture totheintake manifold, said valve including a body; portion, a valve stemslidably mounted in the body portion, a lever pivotallyconnected to thebody portion and 'engag'eablej with the valve stem, a thermostaticmember engageable with the lever, a

cap'pivotally connected to the body portion and adapted to enclosethe-lever and thermo- "staticmember, and means for conducting heat tothe thermostatic member.

5. In combination with the intake manivalve for controlling theadmissionof the fuel mixture to the intake manifold, said valve including a bodyportion, a valve stem slidably mounted in the body portion, a leverpivotally connected to the body portion and engageable with thevalvestem, a thermo static member engageable with the lever, a

cap adapted to enclose the lever and thermostatic member, and commonmeansfor pivotallyconnectingthe cap to the body portion andforconducting heat tothe thermostatic member.

6. In combination with the intake mani- ,'fold of an internalcombustion. engine, a

, valve for controlling the admission of the 7 fuel mixture to theintake manifold, said valve includinga body portion, a valvestemslidably mounted in thebody portion, a lever pivotally connected to thebody portionand static member engageable directly with the lever,"andmeans for conducting heat to the thermostatic member.

adapted to operate the valve stem, adj ustablef means engageable "withthe lever for limiting the movement thereof, a thermostatic'memberengageable with the lever for operating fold of an internal'combus'tionengine, a v

thesame,iand means for conveying heat to J the thermostaticmember. 7.Iii-combination with the intake manilZiU fold of an internal combustionengine, a valve for controlling the admission of the fuel mixture to theintake manifold, said valve including a sleeve, a valve stem slidablymounted in the sleeve, a plate supported on the sleeve and rotatablerelative thereto, said plate having an opening through which the sleeveloosely extends and means carried by the plate for operating the valvestem. c r

8. In combination with the intake manifold of an internal combustionengine, a valve for controlling the admission of the fuel mixture to theintake manifold, said valve including a sleeve, a valve stem slidablymounted in the sleeve, a plate supported by the sleeve and rota-tablerelative thereto, a lever pivotally connected to the plate andengageable with the valve stem, a thermostatic member engageable withthe lever for operating the same, and means for conducting heat to thethermostatic member.

9. In combination with the intake manifold of an internal combustionengine, a valve for controlling the admission of the fuel mixtureto theintake manifold, said valve including a sleeve, a valve stem slidablymounted in the sleeve, a plate supported on the sleeve and rotatablerelative thereto, a lever pivotally connected to the plate andengageable with the valve stem, means carried by the sleeve for limitingthe movement of the lever, a thermostatic member engageable with thelever for operating the same, and means for conducting heat to thethermostatic member.

10. In combination with the intakemanifold of an internal combustionengine, a valve for controlling the admission of the fuel mixture to theintake manifold, said valve including a sleeve, a valve stem slidablymounted in the sleeve, a plate supportedon the sleeve, a lever pivotallyconnected to the plate and engageable with the valve stem,

a nut adjustably mounted on the sleeve for. limiting the movement ofthelever, a spring member interposed between the plate and nut, athermostatic member engageablewith the lever for operating the same, andmeans 01 conducting heat to the thermostatic mem- 11. In combinationwith the intake manifold of an internal combustion engine, a

valve for controlling the admission of the valve for controlling theadmission of the.

fuel mixture to the intake manifold, said valve includinga sleeve, avalve stem slidably mounted in the sleeve, a plate supported by thesleeve, a lever pivotally connected to the plate and engageable with thevalve stem, a thermostatic member having one end connected to the plateand the opposite end engageable with the lever, and means for conductingheat to the thermostatic member.

13. A valve of the character described including a sleeve having anenlargement formed on the outer periphery thereof, a plate adapted'to bereceived upon said enlargement and rotatable relative to the sleeve,

means for holding the plate in engagement with the enlargement, a valvestem slidzble relative to the sleeve, and a thermostatic memberconnected to the plate for operating the valve stem.

In testimony whereof I hereunto afiix my signature. 7

CHARLES B. DRAKE

